Funnel Umbrellas

Textile buildings from Koch Membranen

Product description

Umbrella constructions are the solutions of choice whenever large surfaces, such as interior courtyards and squares, need to be covered without further disturbing the constructional landscape or the landmark fabric of a city. Intended to provide shelter from the sun or rain, umbrella constructions can be designed as rigid elements or as constructions that can be opened. The construction of funnel umbrellas is made up of compression-loaded design elements - commonly made of steel, aluminium or wood - and a tensioned membrane. Any accumulating water is drained through the centre of the umbrella. The fact that the design of the umbrella is a true eye-catcher that satisfies the highest standards becomes immediately apparent when you look at the multitude of possible shapes: round, angular, symmetrical and available in extra large dimensions of up to 30 x 30 metres. The material (PTFE-coated glass fabric, PTFE fabric or PVC-coated polyester fabric) is selected based on the desired application and intended look and feel.


There are few areas where attractive design and efficient construction are as closely intertwined as in textile / membrane construction. Whether used for buildings that pose a challenge from an engineering standpoint or for flexible, temporary structures – lightweight constructions allow for an unlimited range of shapes and impressive structures boasting enormous span widths. The primary purpose of textile constructions is and always has been to provide the best possible protection against the weather. The best products in this category provide this protection in the most economical and ecological way - at minimum use of material and maximised reduction of weight.

Possible applications
No matter if they are used for rigid or for single or multi-layer textile structures in building shells, membrane materials set themselves apart by their unique design and technical characteristics. Prime examples of the material's versatility are mobile, collapsible membranes used to span stadiums or atriums or membranes used in classic tent or pavilion structures. As they can be shaped into any type of construction including sails, arched roofs, tents, umbrellas or pneumatic structures, membranes allow for a whole plethora of possible textile structures and designs.

Selection of materials
The created architecture owes its distinctive look and feel to the selected materials and their surfaces – whether the material is wide-arching fabric or pneumatic foil cushions. The material is always selected to fit each specific application perfectly. The decision on the appropriate material hinges on the design principles, the ambient and environmental conditions and such factors as light permeability, durability or cost. Other aspects influencing the decision include the handling, workmanship or force-stretch behaviour of the material. Finding and tailoring the material that is best for each specific construction project calls for a detailed and profound knowledge of the different materials. In contrast to glass construction, textile architecture has come to the fore for many planners thanks to its impressive environmental footprint and outstanding economy.

Materials suited for textile architecture

PVC-coated polyester fabric
PTFE fabric
PTFE-coated glass fabric
Silicone-coated glass fabric
ETFE foil
Custom-engineered special fabrics

More about this product

Part of the collection Our Solutions For Outside.
Manufacturer Koch Membranen
Family Canopies
Architonic ID 20178466

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